]> Git Repo - J-linux.git/commit
drm/amd/display: Add periodic detection for IPS
authorRoman Li <[email protected]>
Wed, 3 Apr 2024 16:13:56 +0000 (12:13 -0400)
committerAlex Deucher <[email protected]>
Tue, 30 Apr 2024 13:57:23 +0000 (09:57 -0400)
commitafca033f10d346b6be794e468ed614a6fdc68a14
tree634b6acb1592370ddf1577813ecbcbc96d5ceb03
parent5419a2076de1dd9b0b4a191d0dd07de7c4fa7040
drm/amd/display: Add periodic detection for IPS

[Why]
HPD interrupt cannot be handled in IPS2 state.
So if there's a display topology change while system in IPS2
it can be missed.

[How]
Implement worker to check each 5 sec in IPS for HPD.

Reviewed-by: Hamza Mahfooz <[email protected]>
Acked-by: Wayne Lin <[email protected]>
Signed-off-by: Roman Li <[email protected]>
Tested-by: Daniel Wheeler <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.h
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